Cloudform | Enchantment | | When Cloudform enters the battlefield, it becomes an Aura with enchant creature. Manifest the top card of your library and attach Cloudform to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Enchanted creature has flying and hexproof. | Noah Bradley
Jeskai Infiltrator | Creature | Human Monk | Jeskai Infiltrator can't be blocked as long as you control no other creatures.
When Jeskai Infiltrator deals combat damage to a player, exile it and the top card of your library in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Cynthia Sheppard
Jeskai Runemark | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+2.
Enchanted creature has flying as long as you control a red or white permanent. | Jaime Jones
Marang River Prowler | Creature | Human Rogue | Marang River Prowler can't block and can't be blocked.
You may cast Marang River Prowler from your graveyard as long as you control a black or green permanent. | Yefim Kligerman
Monastery Siege | Enchantment | | As Monastery Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast. | Mark Winters
Rakshasa's Disdain | Instant | | Counter target spell unless its controller pays {1} for each card in your graveyard. | Seb McKinnon
Shu Yun, the Silent Tempest | Legendary Creature | Human Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may pay {R/W}{R/W}. If you do, target creature gains double strike until end of turn. | David Gaillet
Whisk Away | Instant | | Put target attacking or blocking creature on top of its owner's library. | Zack Stella
Write into Being | Sorcery | | Look at the top two cards of your library. Manifest one of those cards, then put the other on the top or bottom of your library. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Yeong-Hao Han